Home / 1,019.37-1,529.10-370.11

Finding the Fourth Proportional to 1,019.37, 1,529.10 and 370.11

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Solution

The fourth proportional to 1,019.37, 1,529.10 and 370.11 is: 555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019.37 : 1,529.10 = 370.11 : x
  2. Step 2: Convert to fraction form
    1,019.37/1,529.10 = 370.11/x
  3. Step 3: Cross multiply
    1,019.37x = 1,529.10 × 370.11
  4. Step 4: Simplify right side
    1,019.37x = 565,935.20
  5. Step 5: Solve for x
    x = 565,935.20/1,019.37
  6. Step 6: Final answer
    x = 555.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.